==================================================================
BUG: KASAN: use-after-free in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:642 [inline]
BUG: KASAN: use-after-free in ath9k_hif_usb_rx_cb+0xea7/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686
Read of size 4 at addr ffff888078f642e8 by task syz-executor.1/7698

CPU: 1 PID: 7698 Comm: syz-executor.1 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0xeb/0x495 mm/kasan/report.c:313
 print_report mm/kasan/report.c:429 [inline]
 kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:642 [inline]
 ath9k_hif_usb_rx_cb+0xea7/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686
 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670
 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747
 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1988
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1519 [inline]
 __run_timers.part.0+0x679/0xa80 kernel/time/timer.c:1790
 __run_timers kernel/time/timer.c:1768 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x60 kernel/kcov.c:200
Code: be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 79 95 87 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 6f 02 00 <a9> 00 01 ff 00 74 0e 85 c9 74 35 8b 82 bc 15 00 00 85 c0 74 2b 8b
RSP: 0018:ffffc9000a94f708 EFLAGS: 00000246
RAX: 0000000080000001 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801db98000 RSI: ffffffff81b95731 RDI: 0000000000000001
RBP: ffffea0001e45d80 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880265f7738
R13: ffffea0001e45d88 R14: 0000000000000000 R15: 0000000000000000
 page_remove_file_rmap mm/rmap.c:1343 [inline]
 page_remove_rmap+0x2c1/0x1510 mm/rmap.c:1432
 zap_pte_range mm/memory.c:1446 [inline]
 zap_pmd_range mm/memory.c:1567 [inline]
 zap_pud_range mm/memory.c:1596 [inline]
 zap_p4d_range mm/memory.c:1617 [inline]
 unmap_page_range+0x115f/0x3f20 mm/memory.c:1638
 unmap_single_vma+0x196/0x360 mm/memory.c:1686
 unmap_vmas+0x18c/0x310 mm/memory.c:1723
 exit_mmap+0x1c4/0x4a0 mm/mmap.c:3162
 __mmput+0x122/0x4b0 kernel/fork.c:1187
 mmput+0x56/0x60 kernel/fork.c:1208
 exit_mm kernel/exit.c:510 [inline]
 do_exit+0x9f1/0x29d0 kernel/exit.c:782
 do_group_exit+0xd2/0x2f0 kernel/exit.c:925
 get_signal+0x2542/0x2600 kernel/signal.c:2857
 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop kernel/entry/common.c:166 [inline]
 exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2a93c89279
Code: Unable to access opcode bytes at RIP 0x7f2a93c8924f.
RSP: 002b:00007f2a94e2c218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f2a93d9c128 RCX: 00007f2a93c89279
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2a93d9c128
RBP: 00007f2a93d9c120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2a93d9c12c
R13: 00007f2a942cfb1f R14: 00007f2a94e2c300 R15: 0000000000022000
 </TASK>

Allocated by task 0:
(stack is not available)

Freed by task 3686:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track+0x21/0x30 mm/kasan/common.c:45
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
 ____kasan_slab_free mm/kasan/common.c:367 [inline]
 ____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:329
 kasan_slab_free include/linux/kasan.h:200 [inline]
 slab_free_hook mm/slub.c:1754 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1780
 slab_free mm/slub.c:3534 [inline]
 kfree+0xe2/0x4d0 mm/slub.c:4562
 skb_free_head+0xac/0x110 net/core/skbuff.c:655
 skb_release_data+0x5f5/0x870 net/core/skbuff.c:684
 skb_release_all net/core/skbuff.c:749 [inline]
 __kfree_skb net/core/skbuff.c:763 [inline]
 consume_skb net/core/skbuff.c:927 [inline]
 consume_skb+0xc2/0x160 net/core/skbuff.c:921
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:815 [inline]
 nsim_dev_trap_report_work+0x855/0xba0 drivers/net/netdevsim/dev.c:840
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

The buggy address belongs to the object at ffff888078f64000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 744 bytes inside of
 4096-byte region [ffff888078f64000, ffff888078f65000)

The buggy address belongs to the physical page:
page:ffffea0001e3d800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78f60
head:ffffea0001e3d800 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888011842140
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 3686, tgid 3686 (kworker/1:7), ts 451884472743, free_ts 451854615739
 prep_new_page mm/page_alloc.c:2457 [inline]
 get_page_from_freelist+0x1298/0x3b80 mm/page_alloc.c:4203
 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5431
 alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272
 alloc_slab_page mm/slub.c:1824 [inline]
 allocate_slab+0x26c/0x3c0 mm/slub.c:1969
 new_slab mm/slub.c:2029 [inline]
 ___slab_alloc+0x99f/0xe10 mm/slub.c:3031
 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3118
 slab_alloc_node mm/slub.c:3209 [inline]
 __kmalloc_node_track_caller+0x34f/0x4a0 mm/slub.c:4955
 kmalloc_reserve net/core/skbuff.c:354 [inline]
 __alloc_skb+0xde/0x340 net/core/skbuff.c:426
 alloc_skb include/linux/skbuff.h:1434 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:742 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:799 [inline]
 nsim_dev_trap_report_work+0x291/0xba0 drivers/net/netdevsim/dev.c:840
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1371 [inline]
 free_pcp_prepare+0x549/0xd20 mm/page_alloc.c:1421
 free_unref_page_prepare mm/page_alloc.c:3344 [inline]
 free_unref_page+0x19/0x6a0 mm/page_alloc.c:3439
 device_release+0x9f/0x240 drivers/base/core.c:2241
 kobject_cleanup lib/kobject.c:673 [inline]
 kobject_release lib/kobject.c:704 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1c8/0x540 lib/kobject.c:721
 put_device+0x1b/0x30 drivers/base/core.c:3535
 ath9k_htc_probe_device+0x1c7/0x1f00 drivers/net/wireless/ath/ath9k/htc_drv_init.c:976
 ath9k_htc_hw_init+0x31/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:508
 ath9k_hif_usb_firmware_cb+0x274/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1245
 request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1107
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

Memory state around the buggy address:
 ffff888078f64180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888078f64200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888078f64280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                          ^
 ffff888078f64300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888078f64380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
   0:	be a8 01 00 00       	mov    $0x1a8,%esi
   5:	e8 b4 ff ff ff       	callq  0xffffffbe
   a:	31 c0                	xor    %eax,%eax
   c:	c3                   	retq
   d:	90                   	nop
   e:	65 8b 05 79 95 87 7e 	mov    %gs:0x7e879579(%rip),%eax        # 0x7e87958e
  15:	89 c1                	mov    %eax,%ecx
  17:	48 8b 34 24          	mov    (%rsp),%rsi
  1b:	81 e1 00 01 00 00    	and    $0x100,%ecx
  21:	65 48 8b 14 25 80 6f 	mov    %gs:0x26f80,%rdx
  28:	02 00
* 2a:	a9 00 01 ff 00       	test   $0xff0100,%eax <-- trapping instruction
  2f:	74 0e                	je     0x3f
  31:	85 c9                	test   %ecx,%ecx
  33:	74 35                	je     0x6a
  35:	8b 82 bc 15 00 00    	mov    0x15bc(%rdx),%eax
  3b:	85 c0                	test   %eax,%eax
  3d:	74 2b                	je     0x6a
  3f:	8b                   	.byte 0x8b